A. H. Sabari and Mohamad Zaky Noh, “Effect of Different Treated Techniques on Palm Oil Fuel Ash to The Physico-Mechanical Properties of Cement Paste”, EKST, vol. 4, no. 2, pp. 446–454, Dec. 2024, Accessed: Apr. 09, 2026. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/14354